2721238

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:208

約数の個数: 24

約数和(自身を含む): 4519368

約数和(自身を除く): 1798130

約数列:

[1, 2, 13, 26, 83, 97, 166, 169, 194, 338, 1079, 1261, 2158, 2522, 8051, 14027, 16102, 16393, 28054, 32786, 104663, 209326, 1360619, 2721238]

約数ペア:

[(1, 2721238), (2, 1360619), (13, 209326), (26, 104663), (83, 32786), (97, 28054), (166, 16393), (169, 16102), (194, 14027), (338, 8051), (1079, 2522), (1261, 2158)]